Product Details | CONCAVE WASHER

5310-00-083-9303 A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Part Alternates: AS463, AS46-3, BACW10AU3, K19701P3, TLN1020L3W, 3M348L3, 53488W1032, 53488W-1032, 60730, 6073-0, 5310-00-083-9303, 00-083-9303, 5310000839303, 000839303

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 MAY 1973 00-083-9303

Drawings & Photos | NSN 5310-00-083-9303


Demand History | NSN 5310-00-083-9303

Part Number Request Date QTY Origin
5310-00-083-9303 2018-06-178 6538 DIBBS
5310-00-083-9303 2017-10-282 2500 DIBBS
5310-00-083-9303 2015-10-281 4008 DIBBS
5310-00-083-9303 2015-10-277 3868 DIBBS
5310-00-083-9303 2014-12-351 400 DIBBS
5310-00-083-9303 2014-12-344 944 DIBBS
5310-00-083-9303 2010-12-357 665 DIBBS
5310-00-083-9303 2010-10-277 189 DIBBS

Cross Reference | NSN 5310-00-083-9303

Part Number Cage Code Manufacturer
3M348L3 76301 BOEING COMPANY, THE DBA BOEING
3M348L3 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
53488W-1032 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
6073-0 72962 HARVARD INDUSTRIES INC
AS46-3 10630 ANILLO INDUSTRIES, INC. DBA ANILLO INDUSTRIES
BACW10AU3 81205 THE BOEING COMPANY DBA BOEING
K19701P3 15653 ALCOA GLOBAL FASTENERS, INC.
K19701P3 R1120 SATAIR A/S
TLN1020L3W 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
TLN1020L3W 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
TLN1020L3W 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
TLN1020L3W 59563 REID PRODUCTS INC. DBA REID PRODUCTS
TLN1020L3W 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
TLN1020L3W 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
TLN1020L3W 97928 HUCK INTL INC
TLN1020L3W C4293 ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH

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Technical Data | NSN 5310-00-083-9303

Characteristic Specifications
MATERIAL STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 4130 OR STEEL COMP 4027 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OR ASTM A322 ASSN STD 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 35 CONCAVE
HOLE DIAMETER 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
RADIUS 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
OUTSIDE DIAMETER 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
RECESS DEPTH 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
MATERIAL THICKNESS 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES COUNTERBORE WALL
SPECIFICATION/STANDARD DATA 81205-BACW10AU MANUFACTURERS STANDARD
III HEAT TREATMENT AS FABRICATED

Restrictions/Controls & Freight Information | NSN 5310-00-083-9303

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code ZG Germany
ZH
ZJ
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-00-083-9303

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each